The Vapor RS470 has the New Acuslide Cocking and De-Cocking System. This bow includes many features. The Tec-X Stock reduces the weight of the crossbow by 1/2-pound. Shoots up to 400 FPS and the length from axle-to-axle is 7.2 inches. The S1 Trigger and Rangemaster Pro Scope increases the performance and accuracy of the bow.